 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.update.core;

  
 /**
  * Manages a list of static constants.
  *
  * <p>
  * <b>Note:</b> This class/interface is part of an interim API that is still under development and expected to
  * change significantly before reaching stability. It is being made available at this early stage to solicit feedback
  * from pioneering adopters on the understanding that any code that uses this API will almost certainly be broken
  * (repeatedly) as the API evolves.
  * </p>
  * @since 2.0.2
  */
 public interface IUpdateConstants {
     
         /**
      * No matching rule specified
      * @since 2.0
      */
     public static final int RULE_NONE = 0;

     /**
      * Dependency can be satisfied only with plug-in version matching
      * exactly the specified version.
      * @since 2.0
      */
     public static final int RULE_PERFECT = 1;

     /**
      * Dependency can be satisfied only with plug-in version that is
      * equivalent to the specified version (same major and minor version
      * identifier, greater than or equal service identifier).
      * @since 2.0
      */
     public static final int RULE_EQUIVALENT = 2;

     /**
      * Dependency can be satisfied only with plug-in version that is
      * compatible with the specified version (either is equivalent,
      * or greater minor identifier (but same major identifier)).
      * @since 2.0
      */
     public static final int RULE_COMPATIBLE = 3;

     /**
      * Dependency can be satisfied only with plug-in version that is
      * greater or equal to the specified version.
      * @since 2.0
      */
     public static final int RULE_GREATER_OR_EQUAL = 4;
     
     /**
      * Dependency can be satisfied only if the required identifier
      * is a prefix of the specified identifier.
      * @since 2.1
      */
     public static final int RULE_PREFIX = 1;

     /**
      * The search location for updates is defined by the root feature.
      * @since 2.0.2
      */
     public static final int SEARCH_ROOT = 1<<1;
     
     /**
      * The search location for updates is defined by this feature.
      * @since 2.0.2
      */
     public static final int SEARCH_SELF = 1<<2;
     

 }

